diff --git a/app/main.F90 b/app/main.F90
index 09dcb2e..dd4ab2e 100644
--- a/app/main.F90
+++ b/app/main.F90
@@ -5,7 +5,7 @@ program main
 
   implicit none
 
-  character(len=10) :: ver = "0.0.0"
+  character(len=10) :: ver = "1.0.0"
 
   write (unit=output_unit, fmt="(A)") ""
   write (unit=output_unit, fmt="(A)") "     ______     __                    __      __  _                "
diff --git a/fpm.toml b/fpm.toml
index 1d2b27c..692a2cf 100644
--- a/fpm.toml
+++ b/fpm.toml
@@ -1,5 +1,5 @@
 name = "Extrapolation_Integration"
-version = "0.0.0"
+version = "1.0.0"
 license = "GNU General Public License v3.0"
 author = "Álvaro R. Puente-Uriona"
 maintainer = "alvaro.ruiz@ehu.eus"